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A platform for research: civil engineering, architecture and urbanism
Dial telephones underground
Sunnyside mines, Sunnyside, Utah, have 46 telephones underground and 23 in surface facilities; carrier cable, suspended from roof bolt hangers, supports telephone cable; better communications result in quicker clearance of machine outages, smoother haulage dispatching for both coal and mining materials, faster organization in emergencies, and co-ordination in overall operations.
Dial telephones underground
Sunnyside mines, Sunnyside, Utah, have 46 telephones underground and 23 in surface facilities; carrier cable, suspended from roof bolt hangers, supports telephone cable; better communications result in quicker clearance of machine outages, smoother haulage dispatching for both coal and mining materials, faster organization in emergencies, and co-ordination in overall operations.
Dial telephones underground
Coal Age
Coal Age ; 58
1953
2 pages
Article (Journal)
English
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Emerald Group Publishing | 1984
| Engineering Index Backfile | 1903
| Online Contents | 1994
| Engineering Index Backfile | 1929